Firearm sights

sighting device for firearms, with either fixed or variable magnification.

sighting device on ranged weapons

American series of telescopic sights manufactured by Trijicon

Type of non-magnifying optical sight where the aiming point light is projected onto a partially reflective sighting window

thumb|The reticle of a PSO-1 scope mounted on a Russian SVD [[designated marksman rifle]] thumb|A comparison of different reticles used in telescopic sights thumb|Measurement graticule in an optical microscope thumb|Reticle of Bell & Howell Pocket Comparator thumb|Reticle accessory (PD-8) used in sniper rifles A reticle or reticule, also known as a graticule or crosshair, is a pattern of fine lines or markings built into the eyepiece of an optical device such as a telescopic sight, spotting scope, theodolite, optical microscope or the screen of an oscilloscope, to provide measurement reference

night scope

Type of non-magnifying optical sight where the aiming point light is projected onto a partially reflective sighting window

thumb|Russian PSO-1M2 current military issue 4×24 telescopic sight thumb|Frontal view showing the designation PSO-1M2-1 thumb|View through a PSO-1 telescopic sight mounted on an SVD rifle

Aimpoint AB is a Swedish optics company based in Malmö, Sweden that manufactures red dot sights.

type of sight which illuminates a laser beam on the target

Trijicon, Inc. ( ) is an American manufacturing company based in Wixom, Michigan, that designs and distributes sighting devices for firearms including pistols, rifles and shotguns. Trijicon specializes in self-luminous optics and night sights, mainly using the low-energy tritium illumination, light-gathering fiber optics and battery-powered LED.

The AN/PEQ-2 Infrared Target Pointer/Illuminator/Aiming Light (ITPIAL) is a laser sight for use on rifles fitted with a Picatinny rail. It was manufactured by Insight Technology.

type of rear sight with diopter hole (aperture sight with small hole diameter)

battery-powered, non-magnifying red dot type of reflex sight for firearms

Red dot sight

Type of opitcal sight

Glasgow optical engineering firm

Sighting device used on weapons

optical ranging devices

non-magnifying gun sight where the reticle (aiming point) is a hologram

thumb|G36A1 with LLM01 front view. thumb|right|MP7A1 with LLM01 and Carl Zeiss AG|Zeiss RSA reflex red dot sight. The LLM01 (Laser Light Module 01) is an adaptive target acquisition module made by Rheinmetall Soldier Electronics GmbH in Stockach, Germany. It is designed to be mounted with a metal integral quick release clamping adapter on the left side of the carry handle adapter of Heckler & Koch G36 assault rifles. It can also be attached to other firearms, such as the Heckler & Koch MP7 submachine gun and L85A2 assault rifle.

magnifying optic used together with another stand-alone sight to provide more maginification

thumb|Trilux Small Arms Sight Unit thumb|upright=1.35|Sight attached to an L85A2 The Sight Unit Small Arms, Trilux, or SUSAT, is a 4× telescopic sight, with tritium-powered illumination utilised at dusk or dawn. The full name of the current model is the SUSAT L9A1. The sight is not designed as a sniper sight, but is rather intended to be mounted on a variety of rifles and to be used by all infantrymen.

thumb|300px|right|View through an EOTECH 512 holographic weapon sight.